View 2sk2555 datasheet:

Ordering number:ENN5316A N-Channel Silicon MOSFET 2SK2555 DC/DC Converter Applications Features Package Dimensions · Low ON-resistance. unit:mm · Ultrahigh-speed switching. 2083B · 4V drive. [2SK2555] 6.5 2.3 5.0 0.5 4 0.85 0.7 1.2 0.6 0.5 1 : Gate 1 2 3 2 : Drain 3 : Source 4 : Drain 2.3 2.3 SANYO : TP unit:mm 2092B [2SK2555] 6.5 2.3 5.0 0.5 4 0.5 0.85 1 2 3 0.6 1.2 0 to 0.2 1 : Gate 2 : Drain 3 : Source 2.3 2.3 4 : Drain SANYO : TP-FA Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious phy